Acer vs magnoliopsid genus

Acer and magnoliopsid genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Acer	Yes	No	No	No
magnoliopsid genus	Yes	No	No	No

As nouns, magnoliopsid genus is a hypernym of Acer; that is, magnoliopsid genus is a word with a broader meaning than Acer:

Acer: type genus of the Aceraceae; trees or shrubs having winged fruit
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Acer include dicot genus.

Acer (noun)	magnoliopsid genus (noun)
type genus of the Aceraceae; trees or shrubs having winged fruit	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination